1/2 Ct Tanzanite and Diamond Accent Sterling Silver Heart Shape Pendant 18" 5mm Natural Tanzanite 925 Sterling Silver With 18 Inch Sterling Silver Chain 100% Satisfaction Guaranteed Gemstones may have been treated to improve their appearance or durability and may require special care. Covers damge and loss of stones regardless of size or quality Seamless, Secure Service: Every jewelry piece is monitored from the moment it arrives Superior Repair Experience: Our expert jewelry craftsmen have repaired and restored millions of pieces of jewelry over 27 years No deductibles or additional fees. Easy claims online or by phone. Contract is emailed to you within hours of your purchase. Fully Transferable. 100% refund within first 30 days